/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsEditorOnlyExp/Public/SkeletalMesh/SkeletalMeshEditionInterface.h
HBoneHitProxy
struct HBoneHitProxy : public [HHitProxy](API\Runtime\Engine\HHitProxy)
int32
BoneIndex
FName
BoneName